Messages in this thread Patch in this message | | | From | Chen-Yu Tsai <> | Subject | [PATCH] ARM: dts: sun9i: Enable ARM architected timer on A80 | Date | Wed, 18 Mar 2015 16:00:28 +0800 |
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The A80 SoC has the architected timer, but the existing firmware from Allwinner does not set CNTFRQ at all.
Signed-off-by: Chen-Yu Tsai <wens@csie.org> ---
I'm not so sure about the cpu mask, but there's no SMP support to actually test it.
--- arch/arm/boot/dts/sun9i-a80.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi index 2f7f82cc86ba..d46c0c70101c 100644 --- a/arch/arm/boot/dts/sun9i-a80.dtsi +++ b/arch/arm/boot/dts/sun9i-a80.dtsi @@ -114,6 +114,16 @@ reg = <0 0x20000000 0x02 0>; }; + timer { + compatible = "arm,armv7-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; + clock-frequency = <24000000>; + arm,cpu-registers-not-fw-configured; + }; + clocks { #address-cells = <1>; #size-cells = <1>; -- 2.1.4
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